Transmission Fluid Leak From Cooler Line on Chevrolet Lumina

Problem Description and Possible Solution

The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be replaced to correct this concern.

Problem Data
RepairPal Verified
Average mileage: 141,066 (79,096–217,000)
11 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2001
17 people reported this problem
Viewing 1 - 7 of 7 comments
Transmission Fluid leaking from metal portion of Cooler line, on bend near radiator
trans lines leak near radiator
fixed line. no further issue
lines leaking.
Transmission fluid leaks right under radiator
Car smokes bad when driving want change gears
Transmission Cooler Lines Can Leak Fluid inside the radiator